This update adds Mexican localization support for additional 16% withholding tax scenarios with split distributions, along with the related accounts and fiscal positions. It also improves tax precision so 10.67% taxes can be calculated and displayed more accurately for compliant accounting.

Add few 16% taxes with special distribution (1/3 - 2/3 and 1/4 - 3/4). Also add few accounts and a new fiscal position for each new tax.

Also adjust the rounding precision of 10.67% taxes.

Linked:https://github.com/odoo/enterprise/pull/83582

task-4571928

Mexican localization now includes additional 16% withholding tax setups with specific split distributions, plus matching accounts and fiscal positions. The update also improves rounding precision for 10.67% taxes, helping businesses calculate and report these tax scenarios more accurately.

Add few 16% taxes with special distribution (1/3 - 2/3 and 1/4 - 3/4). Also add few accounts and a new fiscal position for each new tax.

Also adjust the rounding precision of 10.67% taxes.

Linked:https://github.com/odoo/odoo/pull/206406

task-4571928